Now, to the terrifying air scare caught on camera. A plane catching fire in mid flight with 100 passengers onboard. Investigators trying to figure out if it was caused by a bolt of lightning. Abc's jim avila has the story. Reporter: Sparks coming from the engine. Not what you want to see out your jetliner window at 30,000 feet. The massive flashes seen in this video that went viral last week, were originally reported as a lightning strike fire. Another camera catches the flaming plane as it streaks across the night sky over turkey. Onboard, passengers are warned of turbulence. Then, the lights go out. But the turkish airline pilots never lose control of the flight and land safely. Lightning strikes are not uncommon. This airbus a-380, was hit going to london. We had a lightning strike. Reporter: That plane landed safely. As did a jetblue flight that took off from tampa. We've been struck by lightning twice. Reporter: Aviation experts say every liner in the sky are hit every year. The chances of being hit in the air are 500-times more likely than being hit on the ground. It happens all the time. And they safely absorb it because they're not grounded. Reporter: John nance says this engine fire is likely to have been caused by lightning. There's almost no likelihood that a lightning strike could have caused this problem with the engine. Reporter: Lightning strike or not, fire in the air is not what anyone wants to see out their window or from the ground. Jim avila, abc news, new york. That is sure an understatement. Now, to the mother of two

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